Home / 2,420.05-3,336.85-1,829.56

Finding the Fourth Proportional to 2,420.05, 3,336.85 and 1,829.56

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Solution

The fourth proportional to 2,420.05, 3,336.85 and 1,829.56 is: 2,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.05 : 3,336.85 = 1,829.56 : x
  2. Step 2: Convert to fraction form
    2,420.05/3,336.85 = 1,829.56/x
  3. Step 3: Cross multiply
    2,420.05x = 3,336.85 × 1,829.56
  4. Step 4: Simplify right side
    2,420.05x = 6,104,967.29
  5. Step 5: Solve for x
    x = 6,104,967.29/2,420.05
  6. Step 6: Final answer
    x = 2,522.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.